OpenVPN from 2.6.0 through 2.6.10 in a server role accepts multiple exit notifications from authenticated clients which will extend the validity of a closing session
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "2.6.9-1ubuntu4.1", "binary_name": "openvpn" }, { "binary_version": "2.6.9-1ubuntu4.1", "binary_name": "openvpn-dbgsym" } ] }